Coupling member



FIG. 1 is a perspective view of the coupling member;

FIG. 2 is a bottom perspective view of FIG. 1;

FIG. 3 is a top plan view of FIG. 1;

FIG. 4 is a bottom plan view of FIG. 1;

FIG. 5 is a back view of FIG. 1;

FIG. 6 is a front view of FIG. 1;

FIG. 7 is a left side view of FIG. 1; and,

FIG. 8 is a right side view of FIG. 1.

The broken lines in the drawings illustrate portions of the coupling member and form no part of the claimed design. 

CLAIM The ornamental design for a coupling member, as shown and described. 